a.

1. 理想的，完美的
   You're an ideal family.

   你們真是個模範家庭。

2. 非常合適的[（+for）]
3. 想像上的，假設的
4. 空想的，不切實際的
   Nobody would approve your ideal plans for reforming the system of government.

   沒有人會贊成你的關於改革政體的不切實際的計畫。

n.[C]

1. 理想[P1]
   My friends share democratic ideals with me.

   我的朋友們和我一樣有民主思想。

2. 完美的典型，典範
   He considered the judge his ideal.

   他把那位法官視作自己的楷模。

adj.

1. most suitable; perfect.
2. desirable or perfect but existing only in the imagination:
   in an ideal world.
   ▸representing an abstract or hypothetical optimum.

n.